Karyn F. Robertson, PA
NPI 1871590661ActiveIndividual· Physician Assistant, Surgical· Mesa, AZ
Physician Assistant, Surgical (PA) with Western Vascular Institute PLLC, practicing in Mesa, Arizona. In 2024 Medicare paid $48,299 for 484 patients, and Part D covered 452 of their prescriptions, 84% of them generic. Philips North America LLC was the largest of 4 companies reporting payments in 2025, $104.99 in all, mostly food and beverage. Lists Banner Heart Hospital as a hospital affiliation.
Overview
| NPI | 1871590661 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Jul 7, 2005 |
| Last updated in NPPES | Jul 15, 2026 |
| Certified by provider | Jul 15, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Surgical Primary | 363AS0400X | 1339 | AZ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 484 |
|---|---|
| Services billed | 651 across 18 procedure codes |
| Paid by Medicare | $48,299 |
Part D prescriptions in 2024
| Prescriptions (claims) | 452 · 738 30-day fills |
|---|---|
| Patients | 175 |
| Total drug cost | $61,569 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 1984 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Western Vascular Institute PLLCMesa, AZ · 8 clinicians
Hospital affiliation
- Banner Heart HospitalMesa, AZ
Industry payments (Open Payments)
- 2025$104.99 · 5 payments from 4 companies
- 2024$271.88 · 5 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Philips North America LLC | $36.62 | 2 |
| Baxter Healthcare | $30.48 | 1 |
| Terumo Medical Corporation | $23.52 | 1 |
| Advanced Oxygen Therapy Inc. | $14.37 | 1 |
What the 2025 payments were for
- Food and Beverage$104.99 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 51 surgical physician assistants in Mesa · All surgical physician assistants in Arizona